Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830148 | Truss-type brake beam for railway vehicle truck-mounted brake assembly | James E. Hart, Earl E. Allan | 1989-05-16 |
| 4793446 | Single-cylinder, truck-mounted brake assembly | James E. Hart, William K. Mong, Mark S. Krampitz | 1988-12-27 |
| 4666166 | Clamping arrangement for diaphragm-type piston | James E. Hart, Michael T. Zoric | 1987-05-19 |
| 4613016 | Single-cylinder truck-mounted brake assembly | James E. Hart, William K. Mong, Mark S. Krampitz | 1986-09-23 |
| 4557181 | Brake cylinder/air reservoir device | James E. Hart, Willard P. Spalding | 1985-12-10 |
| 4418799 | Combined air reservoir/brake cylinder device | James E. Hart, Willard P. Spalding | 1983-12-06 |
| 4273218 | Flexible mounting hub for disc member | Robert B. Morris | 1981-06-16 |